Which of the following is the correct way of expressing the rating of a fuse?

The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

In an alternator, if α = 60°, then find the pitch factor?

Creeping is a term related to instruments?

In Boolean algebra (A. Ā) + A

For indoor lighting the range of space : height is

↑